We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for 'bachmann trains'.

ON3 CONVERSION FROM BACHMANN 2 6 0 BRASS TRUCKS NARROW GAUGE CS
ON3 CONVERSION FROM BACHMANN 2 6 0 BRASS TRUCKS NARROW GAUGE CS
$119.00
Time Remaining: 1h 42m
Buy It Now for only: $155.00
On30 WISEMAN MODEL SERVICES 1890s GILPIN STYLE BACHMANN SHAY CONVERSION KIT
On30 WISEMAN MODEL SERVICES 1890s GILPIN STYLE BACHMANN SHAY CONVERSION KIT
$119.95
Time Remaining: 14d 19h 6m
Buy It Now for only: $119.95
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
$34.46
Time Remaining: 16d 23h 47m
Buy It Now for only: $34.46
On30 WISEMAN MODEL SERVICES 1920s MODERN STYLE BACHMANN SHAY CONVERSION KIT
On30 WISEMAN MODEL SERVICES 1920s MODERN STYLE BACHMANN SHAY CONVERSION KIT
$119.95
Time Remaining: 20d 3h 41m
Buy It Now for only: $119.95
ON30 Spectrum Billboard Reefer John Harvards 27467 Freight Car
ON30 Spectrum Billboard Reefer John Harvards 27467 Freight Car
$89.99
Time Remaining: 29d 20h 55m
Buy It Now for only: $89.99

Other On30 Scale train items recently purchased through this site:

ON3 CONVERSION FROM BACHMANN 2 6 0 BRASS TRUCKS NARROW GAUGE CS
On30 WISEMAN MODEL SERVICES 1920s MODERN STYLE BACHMANN SHAY CONVERSION KIT
On30 WISEMAN MODEL SERVICES 1890s GILPIN STYLE BACHMANN SHAY CONVERSION KIT
Bachmann On30 Scale Train Tank Car Tank Car DS Fire Suppression 27122
ON30 Spectrum Billboard Reefer John Harvards 27467 Freight Car